Surfaces
Theme surfaces
Paper cool · --bg-inset · #F4F6F9
A tinted variant of paper, used as a rhythm breaker between two paper sections. Sits ~6 lightness units below the default; the einstein-hats whisper texture lives on this surface.
Section eyebrow
Heading on cool
Tinted-section voice - used to break rhythm without going to navy.
Cool sits ≈6 lightness units below paper, so the surface registers as a tinted band without reading as a different background family.